UV Index Today in Jacksonville, Florida
Hourly UV Index Chart
Safe Exposure Time
Estimated based on the Fitzpatrick scale for skin color and a UV Index of
*Estimate assumes proper application of broad spectrum sunscreen with reapplication every 2 hours.
Important Safety Information
General Guidelines
These exposure times are estimates based on scientific research and should be used as general guidelines only. Individual responses to UV exposure may vary.
Affecting Factors
UV exposure is affected by: time of day, season, altitude, cloud cover, reflection from surfaces, and individual skin sensitivity.
Protection Tips
For proper sun protection: seek shade during peak UV hours (10 AM - 4 PM), wear protective clothing, use broad-spectrum sunscreen, and monitor the UV index regularly.
Medical Advice
Consult with a healthcare provider for personalized sun protection advice, especially if you have a history of skin conditions or are taking medications that may increase sun sensitivity.
SUNSET & SUNRISE
Jacksonville's UV Climate
Jacksonville, located in northeastern Florida, experiences a humid subtropical climate with high UV exposure for much of the year. The city's southern latitude and coastal location result in strong UV radiation, especially during the long summer season. Sun protection is essential for outdoor activities, particularly at the beach and on the river.
Average Annual UV Index
7.8
Peak UV Season
March - October
Sunny Days per Year
221
Practical Tips for Outdoor Activities
Make the most of outdoor activities while staying safe in Duval County:
- Check UV index and weather radar before planning outdoor activities
- Schedule outdoor activities during low UV hours
- Use appropriate sun protection based on UV levels
- Stay hydrated during outdoor activities
- Take regular breaks in shaded areas
- Monitor weather conditions for changes
- Be prepared for sudden weather changes
- Know the signs of heat-related illness
- Wear a hat and protective clothing
- Check visibility conditions before outdoor plans
- Stay alert to weather alerts and warnings
UV and Weather in Duval County
Learn about Duval County's unique climate patterns, UV radiation levels, and how they affect your daily life. Enter your zip code for location-specific weather radar data and UV forecasts to help you make informed decisions about outdoor activities and sun protection.
Climate and UV Patterns
Jacksonville's climate features hot, humid summers and mild winters. UV index values are highest from late spring through early fall, with peak values reaching 9-10 on clear days. The coastal location means UV exposure is amplified by reflection from water surfaces.
UV Index and Health Impact
Understanding UV radiation levels is crucial for protecting your health. The UV index in Duval County varies throughout the year:
- Summer (April-September): High to Very High UV (7-10+)
- Spring/Fall: Moderate to High UV (5-7)
- Winter: Moderate UV (4-6)
- Peak UV hours: 10 AM - 4 PM
- Cloudy conditions: UV reduced by 20-40%
- Clear skies: Maximum UV exposure
- Visibility conditions affect UV intensity
Local Weather Patterns
Jacksonville's weather is characterized by long, hot summers with abundant sunshine. UV exposure is highest from March through October, with midday hours presenting the greatest risk. Residents and visitors should use sun protection year-round, especially during outdoor recreation and water activities.